Finding the Fourth Proportional to 2,020.27, 3,030.31 and 633.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,020.27 : 3,030.31 = 633.57 : x
2. Step 2: Convert to fraction form
   2,020.27/3,030.31 = 633.57/x
3. Step 3: Cross multiply
   2,020.27x = 3,030.31 × 633.57
4. Step 4: Simplify right side
   2,020.27x = 1,919,913.51
5. Step 5: Solve for x
   x = 1,919,913.51/2,020.27
6. Step 6: Final answer
   x = 950.33